1143927684 has 45 divisors (see below), whose sum is σ = 2992045287. Its totient is φ = 381106296.

The previous prime is 1143927553. The next prime is 1143927709. The reversal of 1143927684 is 4867293411.

The square root of 1143927684 is 33822.

It is a perfect power (a square), and thus also a powerful number.

1143927684 is a `hidden beast` number, since 114 + 392 + 76 + 84 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 607857 + ... + 609735.

Almost surely, 2^1143927684 is an apocalyptic number.

1143927684 is the 33822-nd square number.

It is an amenable number.

1143927684 is an abundant number, since it is smaller than the sum of its proper divisors (1848117603).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143927684 is an frugal number, since it uses more digits than its factorization.

1143927684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3774 (or 1884 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The cubic root of 1143927684 is about 1045.8422683801.

The spelling of 1143927684 in words is "one billion, one hundred forty-three million, nine hundred twenty-seven thousand, six hundred eighty-four".